#!/bin/bash

cd 20201116112048133_dir/

let i=4
for t in `seq 0 1000`
do
	for num in `seq 0 10`
	do
		echo "${num}.C.png copy ${i}"
		echo "${num}.D.png copy ${i}"
		cp ${num}.C.png  ${i}.C.png
		cp ${num}.D.png  ${i}.D.png
		let i=i+1
	done
done
